During her stay at her brother's house while job hunting, Mako was asked by his wife, Makoto, if she could see his collection. She entrusted him with the key to his study. In the study computer were hidden camera videos of Makoto masturbating and cheating on her husband. When confronted about the cameras, Makoto revealed that she had set them up herself...

就職面接の為にしばらく兄夫婦の家にお世話になることになった。ある日、兄の奥さんの真子さんから兄のコレクションを見てほしいと、書斎の鍵を預かった。書斎のパソコンにあったのは真子さんがオナニーや不倫をしている隠しカメラの映像だった。真子さんを問い詰めると、カメラはなんと真子さん自身で仕掛けたもので…。